protected String startConverting(SharedFile file) { Logger.d(this.getClass(), "startConverting:" + file.getAliasFile().getAbsolutePath()); ConvertTask task = new ConvertTask(file.getAliasFile().getAbsolutePath(), this.workPath); taskTagFileMap.put(task.getTaskTag(), file); ConvertTool.getInstance().addConvertTask(task); return task.getTaskTag(); }